Each part has a specific function. Before we discuss the control unit and the arithmetic/logic unit in detail, we need to consider data storage and its relationship to the central processing unit. Computers use two types of storage: Primary storage and secondary storage.
With a worldwide box-office gross of over $2.7 billion, Avatar is often proclaimed to be the highest-grossing film, but such claims usually refer to theatrical revenues only and do not take into account home video and television income, which can form a significant portion of a film's earnings.
Avatar: The Last Airbender season two (TV-Y7, 4.5/5 stars, currently FREE for Prime members to view, currently priced to buy at $1.99 per episode or $21.99 for all 16 regular episodes and two double-length season episodes in this season).